112781980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1741}}^1$

素因数の和:1870

約数の個数: 48

約数和(自身を含む): 245831040

約数和(自身を除く): 133049060

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1580, 1741, 3239, 3482, 6478, 6964, 8705, 12956, 16195, 17410, 32390, 34820, 64780, 71381, 137539, 142762, 275078, 285524, 356905, 550156, 687695, 713810, 1375390, 1427620, 2750780, 5639099, 11278198, 22556396, 28195495, 56390990, 112781980]

約数ペア:

[(1, 112781980), (2, 56390990), (4, 28195495), (5, 22556396), (10, 11278198), (20, 5639099), (41, 2750780), (79, 1427620), (82, 1375390), (158, 713810), (164, 687695), (205, 550156), (316, 356905), (395, 285524), (410, 275078), (790, 142762), (820, 137539), (1580, 71381), (1741, 64780), (3239, 34820), (3482, 32390), (6478, 17410), (6964, 16195), (8705, 12956)]